
Professional Workstation AP500
Maintenance and Serv ice Guide
Second Edition (March 1999)
Part Number 338534-002
Spares Part Number 338561- 001
Compaq Computer Corporation

Notice
The information in this publ ication is subject to change without notice.
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EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR
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photocopied or reproduced in any form without prior written consent from Compaq Computer
Corporation.
1999 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
The software described in this guide is f ur nished under a license agreement or nondisclosure agreement.
The software may be used or copied only in accordance with the terms of the agreement.
Compaq, Compaq Insight Manager, ROMPaq, QVision, SmartStar t, NetFlex, QuickFind, PaqFax,
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companies.
Compaq Professional Workstation AP500 Maintenance and Service Guide
Second Edition (March 1999)
Part Number 338534-002
Spare Part Number 338561-001

Contents
About This Guide
Text Conventions.......................................................................................................................vii
Symbols in Text........................................................................................................................viii
Symbols on Equipment.............................................................................................................viii
Where to Go for Additional Help...............................................................................................ix
Other Information Sources..................................................................................................ix
Telephone Numbers.............................................................................................................ix
Chapter 1
Illustrated Parts Catalog
Mechanical Parts ......................................................................................................................1-1
System Components .................................................................................................................1-2
Spares Parts List.......................................................................................................................1-3
Chapter 2
Service Preliminaries
Compaq Technician Notes........................................................................................................2-1
Preliminary Warnings and Cautions.........................................................................................2-2
Electrostatic Discharge Information.........................................................................................2-3
Equipment Symbols..................................................................................................................2-3
Tools and Software Requirements............................................................................................2-4
Warranty Information...............................................................................................................2-4
iii
Chapter 3
Removal and Replacement Procedures
Serial Number...........................................................................................................................3-1
Service Preparations.................................................................................................................3-2
Cable Lock ...............................................................................................................................3-3
Workstation Feet.......................................................................................................................3-4
Side Access Panel.....................................................................................................................3-5
Front Bezel...............................................................................................................................3-6
Blank Drive Bezel....................................................................................................................3-7
EMI/Cooling Shield..................................................................................................................3-8
Speaker.....................................................................................................................................3-9
I/O Bracket Assembly ............................................................................................................3-10
Replacing the I/O Bracket Assembly...............................................................................3-11
Expansion Boards...................................................................................................................3-12
Identifying the PCI and ISA Expansion Slots..................................................................3-12
Removing a PCI or ISA Expansion Board......................................................................3-14
Removing a Symbios Wide Ultra2 PCI SCSI Controller ................................................3-15
Removing the Accelerated Graphics Port (AGP) Graphics Controller............................3-16
Removing the Card Guide...............................................................................................3-17
Removing the Backplane Board......................................................................................3-18
System Fan.............................................................................................................................3-19
Compaq Professional Workstation AP500 Maintenance and Service Guide